初中英语八大时态的构成,标志词答:4 现在完成时 have has done【yet,already,just,never,ever,so far,by now,since+时间点,for+时间段,recently, lately, in the past few years】5 过去进行时 be doing 【at this time yesterday, at that time或以when引导的谓语动词是一般过去时的时间状语等。 】6 一般将来时 will do...
请问哪些是现在完成时的标志时间词?lots of times算不算?答:so far,for several times,since,recently,these days,in the last few years,for+时间段,since then,once/twice/three times,already,yet,before,up to now,just,never,still...